30303 Tapered Roller Bearing 17x47x15.25mm

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30303

Bore Diameter:17 mm

Outside Diameter:47 mm

Width:15.25 mm

Weight:0.3 kg

The 30303 bearing is a tapered roller bearings with an inner diameter of 17 mm , an outer diameter of 47 mm, a width of 15.25 mm. It typically uses P0 P6 P5 P4 P2 grade precision tolerances and Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

17 mm

Outside Diameter:

47 mm

Thickness:

15.25 mm

Weight:

0.3 KG

Specifications:

Structure:

Tapered roller bearing

Brand:

LBR

Precision Rating:

P0 P6 P5 P4 P2

Bearing Material:

Chrome steel

Seals Type:

Open

Transaction Information:

Payment term:

T/T

Delivery time:

10-30 days

Detailed description

Specifications

Series		30303

Cone Part Number		X30303

Cup Part Number		Y30303

Design Units		Metric

Bearing Weight		0.3000 Kg

Cage Type		Stamped Steel

Dimensions

D - Cup Outer Diameter		47.000 mm

d - Cone Bore		17.000 mm

B - Cone Width		14.000 mm

C - Cup Width		12.000 mm

T - Bearing Width		15.250 mm

Z - Number of Rollers Per Row		12

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius¹

1.020 mm

r - Cup Backface "To Clear" Radius²

1.02 mm

da - Cone Frontface Backing Diameter

21.59 mm

db - Cone Backface Backing Diameter

22.61 mm

Da - Cup Frontface Backing Diameter

43.43 mm

Db - Cup Backface Backing Diameter

41.40 mm

Ab - Cage-Cone Frontface Clearance

2.03 mm

Aa - Cage-Cone Backface Clearance

-0.25 mm

a - Effective Center Location³

-4.80 mm

¹ These maximum fillet radii will be cleared by the bearing corners.
² These maximum fillet radii will be cleared by the bearing corners.
³ Negative value indicates effective center inside cone backface.

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)		8480 N

C1 - Dynamic Radial Rating (1 million revolutions)		32700 N

C0 - Static Radial Rating		28400 N

C_a90 - Dynamic Thrust Rating (90 million revolutions)		4140 N

Factors

K - Factor		2.05

e - ISO Factor		0.29

Y - ISO Factor		2.11

G1 - Heat Generation Factor (Roller-Raceway)		5.8

G2 - Heat Generation Factor (Rib-Roller End)		5

Cg - Geometry Factor		0.0412

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30303 Tapered Roller Bearing 17x47x15.25mm

Series

Cone Part Number

Cup Part Number

Design Units

Bearing Weight

Cage Type

D - Cup Outer Diameter

d - Cone Bore

B - Cone Width

C - Cup Width

T - Bearing Width

Z - Number of Rollers Per Row

R - Cone Backface "To Clear" Radius¹

r - Cup Backface "To Clear" Radius²

da - Cone Frontface Backing Diameter

db - Cone Backface Backing Diameter

Da - Cup Frontface Backing Diameter

Db - Cup Backface Backing Diameter

Ab - Cage-Cone Frontface Clearance

Aa - Cage-Cone Backface Clearance

a - Effective Center Location³

C90 - Dynamic Radial Rating (90 million revolutions)

C1 - Dynamic Radial Rating (1 million revolutions)

C0 - Static Radial Rating

C_a90 - Dynamic Thrust Rating (90 million revolutions)

K - Factor

e - ISO Factor

Y - ISO Factor

G1 - Heat Generation Factor (Roller-Raceway)

G2 - Heat Generation Factor (Rib-Roller End)

Cg - Geometry Factor

30303 Related Products »

Product Groups

Information

Category

30303 Tapered Roller Bearing 17x47x15.25mm

Series

Cone Part Number

Cup Part Number

Design Units

Bearing Weight

Cage Type

D - Cup Outer Diameter

d - Cone Bore

B - Cone Width

C - Cup Width

T - Bearing Width

Z - Number of Rollers Per Row

R - Cone Backface "To Clear" Radius1

r - Cup Backface "To Clear" Radius2

da - Cone Frontface Backing Diameter

db - Cone Backface Backing Diameter

Da - Cup Frontface Backing Diameter

Db - Cup Backface Backing Diameter

Ab - Cage-Cone Frontface Clearance

Aa - Cage-Cone Backface Clearance

a - Effective Center Location3

C90 - Dynamic Radial Rating (90 million revolutions)

C1 - Dynamic Radial Rating (1 million revolutions)

C0 - Static Radial Rating

Ca90 - Dynamic Thrust Rating (90 million revolutions)

K - Factor

e - ISO Factor

Y - ISO Factor

G1 - Heat Generation Factor (Roller-Raceway)

G2 - Heat Generation Factor (Rib-Roller End)

Cg - Geometry Factor

30303 Related Products »

Product Groups

Information

Category

R - Cone Backface "To Clear" Radius¹

r - Cup Backface "To Clear" Radius²

a - Effective Center Location³

C_a90 - Dynamic Thrust Rating (90 million revolutions)